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JPL Small-Body Database Browser
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11223 (1999 JC30)
Classification: Main-belt Asteroid          SPK-ID: 2011223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0995115063831687 3.3493e-08  
a 3.023246864999155 1.5144e-08 au
q 2.722399015294897 1.0643e-07 au
i 3.833115709414972 4.4347e-06 deg
node 43.97098788688216 5.5938e-05 deg
peri 265.3109846823552 6.0393e-05 deg
M 282.5400523810879 2.329e-05 deg
tp 2459413.626964379019
(2021-Jul-18.12696438)
0.00012467 TDB
period 1920.033665761671
5.26
1.4427e-05
3.95e-08
d
yr
n .1874967123856077 1.4088e-09 deg/d
Q 3.324094714703413 1.6651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2324  
   data-arc span      15775 days (43.19 yr)  
   first obs. used      1977-02-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:30:54  

Additional Information
 Earth MOID = 1.71135 au 
 Jupiter MOID = 1.90485 au 
 T_jup = 3.235 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8   n/a MPO384856  
diameter diameter 12.500 km 4.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 9.902 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.112   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

11223 (1999 JC30)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 JC30 = 1977 DU1 = 1990 SJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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